Keyphrases
- vector space model
- language model
- retrieval model
- language modeling
- information retrieval
- document retrieval
- probabilistic model
- semantic information
- n gram
- query expansion
- speech recognition
- smoothing methods
- language modelling
- test collection
- pseudo relevance feedback
- context sensitive
- ad hoc information retrieval
- statistical language models
- decision trees
- translation model
- passage retrieval
- cross lingual
- document ranking
- query terms
- co occurrence
- language models for information retrieval
- language model for information retrieval